Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5477Factored
FactorDigitsBitsDate
2062528364638534811857.5old
31993450981666521138972271.4old
1147839106856690475324667068413096.5old
663652752254157671732455334929129786983313956746152.22020-10-13 12:10:34
14461933122954624150239780251792040345135134768748156.72020-10-07 01:35:36
94446068448914233302128361493603395405261669835948159.42021-04-05 01:43:41
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000013429 / 16550
Estimated T-Level: 49.1
TF below 2^158 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseDE09DB183FC696C93013
Verified (Factored)2017-10-02kkmrkkblmbrbkDE09DB183FC696C93013
Verified (Factored)2017-12-07ATHDE09DB183FC696C93305213
Verified (Factored)2020-04-17Oliver Kruse886704DC892AEE44387953
Verified (Factored)2020-10-07M Miller886704DC892AEE444281253
Verified (Factored)2020-10-07mnd9886704DC892AEE444355753
Verified (Factored)2020-10-13ATH886704DC892AEE445146253
Verified2021-04-05mikr886704DC892AEE4466853
Verified2021-04-06Joe S.886704DC892AEE44614253
History
DateUserTypeResult
2023-07-11-Anonymous-NF-PM1
B1=46000000000, B2=193133522175293700
2022-01-24Ethan O'ConnorNF-PM1
B1=1300000000
2021-08-27Seth_TrNF-PM1
B1=400000000
2021-04-06Joe S.C-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841/144619331229546241502397802517920403451351347687/6636527522541576717324553349291297869833139567/944460684489142333021283614936033954052616698359 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2021-04-05mikrC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841/6636527522541576717324553349291297869833139567/144619331229546241502397802517920403451351347687/944460684489142333021283614936033954052616698359 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2021-04-05Ryan PropperF-ECM
Factor: 944460684489142333021283614936033954052616698359 / (ECM curve 1, B1=110000000, B2=900514153782, Sigma=102255318616055950)
2020-10-13ATHC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841/144619331229546241502397802517920403451351347687/6636527522541576717324553349291297869833139567 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2020-10-13Ryan PropperF-ECM
Factor: 6636527522541576717324553349291297869833139567 / (ECM curve 1, B1=110000000, B2=900514153782, Sigma=333466803547696720)
2020-10-07mnd9C-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841/144619331229546241502397802517920403451351347687 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2020-10-07M MillerC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841/144619331229546241502397802517920403451351347687 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2020-10-07Ryan PropperF-ECM
Factor: 144619331229546241502397802517920403451351347687 / (ECM curve 1, B1=110000000, B2=900514153782, Sigma=9113910952683292987)
2020-04-17Oliver KruseC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841 : 886704DC892AEE44
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841 : DE09DB183FC696C9
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M5477/206252836463853481/3199345098166652113897/114783910685669047532466706841 : DE09DB183FC696C9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5477/known_factors : DE09DB183FC696C9
PRP without proof (not generated)